2 papers
astro-ph.HE2026
A possible wave-optical effect in lensed FRBs
Goureesankar Sathyanathan, Calvin Leung, Olaf Wucknitz +1
Context: Fast Radio Bursts (FRBs) are enigmatic extragalactic bursts whose properties are still largely unknown, but based on their extremely small time duration, they are proposed…
astro-ph.CO2025
Parameterizing Noise Covariance in Maximum-Likelihood Component Separation
Goureesankar Sathyanathan, Josquin Errard, Soumen Basak
We introduce a noise-aware extension to the parametric maximum-likelihood framework for component separation by modeling correlated noise as a harmonic-space power law. Th…